To create a shape like figure 4, follow these instructions:
1) Using the Fractal tool , create a fractal line.
2) Using the Polyline tool , create a "cup" shape.
3) Using the Glue tool , click on the left endpoint of the straight line, drag it over the left end of the fractal line, and release.
4) Select the object. Pick Transform | Close Selected Figures from the menu. Click on the fill color to color your object.